Hogue rubber grips are molded from durable synthetic rubber that is not spongy or tacky, yet provides a soft recoil absorbing feel without affecting accuracy. The flexibility of the materials and molding process produces rubber grips with features that out perform all other makes. It is molded with a reinforcing insert directly engaging with the firearm frame for a rock-solid grip-to-frame fit. The Cobblestone texture provides an efficient non-slip, non-irritating stippling pattern. This model has a black finish and is compatible with S&W 3913 Compact.Our grips are a 2-piece that replaces the 1-piece stock grip. These grips are a straight backstrap design that installs using a mainspring retainer and screws which come with the grip. The mainspring retainer is pinned into position with the pin that holds the stock grip on. The mainspring retainer provides the threaded bosses that the grip panels screw into.